:root{
  --bg:#090909;
  --bg-soft:#12100d;
  --panel:#14110d;
  --panel-2:#1b1712;
  --panel-3:#231c14;
  --text:#f7f0e4;
  --muted:#d0c3b0;
  --muted-2:#aa9f90;
  --gold:#c9922a;
  --gold-2:#ebc56d;
  --gold-3:#fff0c9;
  --line:rgba(255,255,255,.08);
  --line-gold:rgba(235,197,109,.24);
  --shadow-lg:0 28px 70px rgba(0,0,0,.38);
  --shadow-md:0 16px 38px rgba(0,0,0,.28);
  --radius:22px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  color:var(--text);
  background:
    radial-gradient(circle at top left, rgba(201,146,42,.12), transparent 28%),
    radial-gradient(circle at top right, rgba(235,197,109,.10), transparent 22%),
    linear-gradient(180deg,#0d0c0a 0%,#080808 42%,#0a0908 100%);
  font-family:Arial, Tahoma, "Helvetica Neue", Helvetica, sans-serif;
  font-style:normal;
  font-weight:400;
  line-height:1.68;
  letter-spacing:0;
  font-kerning:none;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.container{width:min(1200px, calc(100% - 40px));margin:auto}
.section{padding:92px 0;position:relative}
.section.dark{background:linear-gradient(180deg,rgba(255,255,255,.015),rgba(255,255,255,0))}
.kicker{
  display:inline-block;
  font-size:12px;
  line-height:1.2;
  letter-spacing:4px;
  text-transform:uppercase;
  color:var(--gold-2);
  font-weight:800;
  margin-bottom:8px;
  font-family:Arial, Tahoma, "Helvetica Neue", Helvetica, sans-serif;
}
h1,h2,h3,.price,.product-top h3,.step h3,.detail-copy h1,.paper-body h3{
  margin:0;
  font-family:Georgia, "Times New Roman", serif;
  font-weight:700;
  letter-spacing:0 !important;
  word-spacing:0 !important;
  font-kerning:none;
  text-wrap:initial;
}
p, li, a, span, b, summary, td, th, .lead, .usp, .gift, .tag, .btn, .contact-box, .header-phone {
  font-family:Arial, Tahoma, "Helvetica Neue", Helvetica, sans-serif;
  letter-spacing:0 !important;
  word-spacing:0 !important;
  font-kerning:none;
}
p{margin:0 0 14px}

.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(9,9,9,.9);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
  box-shadow:0 10px 24px rgba(0,0,0,.18);
}
.nav{height:78px;display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:1px}
.brand img{width:54px;height:54px;object-fit:cover;border-radius:14px;border:1px solid var(--line-gold);box-shadow:var(--shadow-md)}
.brand span{font-size:15px;color:var(--gold-3);font-family:Arial, Tahoma, "Helvetica Neue", Helvetica, sans-serif}
.menu{display:flex;align-items:center;gap:22px;margin-left:auto;font-size:14px}
.menu a{color:#d9cfbf;position:relative;padding:6px 0;transition:.2s}
.menu a::after{content:"";position:absolute;left:0;bottom:-7px;width:0;height:2px;background:linear-gradient(90deg,var(--gold),var(--gold-2));transition:.2s;border-radius:999px}
.menu a:hover,.menu a.active{color:var(--gold-3)}
.menu a:hover::after,.menu a.active::after{width:100%}
.header-phone{padding:11px 16px;border-radius:999px;font-weight:800;color:#261806;background:linear-gradient(180deg,var(--gold-2),var(--gold));box-shadow:0 12px 30px rgba(201,146,42,.22)}

.hero{padding:88px 0 68px;background:radial-gradient(circle at 18% 10%, rgba(235,197,109,.14), transparent 26%),linear-gradient(180deg,#100f0d,#090909)}
.hero-grid{display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
.hero-grid > div{max-width:860px}
h1{font-size:68px;line-height:1.02;color:var(--gold-3);margin:10px 0 18px}
.lead{font-size:20px;color:var(--muted);max-width:780px}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin:30px 0 0}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 22px;border-radius:999px;font-weight:800;border:1px solid transparent;transition:transform .2s, box-shadow .2s, border-color .2s, background .2s}
.btn:hover{transform:translateY(-2px)}
.btn.gold{background:linear-gradient(180deg,var(--gold-2),var(--gold));color:#211507;box-shadow:0 14px 30px rgba(201,146,42,.25)}
.btn.ghost{border-color:var(--line-gold);background:rgba(255,255,255,.02);color:var(--gold-3)}
.btn.ghost:hover{background:rgba(235,197,109,.08)}
.btn.wide{width:100%}
.hero-visual{display:none}
.usps{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.usp{padding:22px 18px;background:linear-gradient(180deg,rgba(255,255,255,.03),rgba(255,255,255,.015));border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-md);min-height:138px}
.usp b{display:block;font-size:18px;line-height:1.35;color:var(--gold-2);margin-bottom:6px}

.section-heading{text-align:center;max-width:940px;margin:0 auto 42px}
.section-heading h2{font-size:48px;line-height:1.14;color:var(--gold-3);margin:8px 0 12px}
.section-heading p{font-size:18px;color:var(--muted)}

.product-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}
.product-card{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line-gold);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);position:relative;display:flex;flex-direction:column;height:100%}
.product-card::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:linear-gradient(90deg,var(--gold),var(--gold-2));opacity:.85}
.product-card:hover{transform:translateY(-5px);transition:.22s;box-shadow:var(--shadow-lg)}
.product-card img{
  width:100%;
  height:auto;
  min-height:0;
  object-fit:contain;
  object-position:center top;
  background:radial-gradient(circle at 50% 10%, rgba(255,255,255,.12), transparent 30%),linear-gradient(180deg,#5e5b57,#302c29 75%,#1a1714);
  padding:18px 12px 0;
}
.product-content{padding:22px;display:flex;flex-direction:column;flex:1}
.product-top{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;margin-bottom:8px;flex-wrap:wrap}
.product-top h3{font-size:26px;line-height:1.22;color:#fff4de;max-width:100%}
.tag{font-size:12px;line-height:1;padding:8px 12px;border-radius:999px;white-space:nowrap;background:rgba(201,146,42,.12);border:1px solid var(--line-gold);color:var(--gold-2);font-weight:700}
.price{font-size:34px;line-height:1.15;font-weight:700;color:var(--gold-2);margin:8px 0 14px}
.specs,.paper-points{list-style:none;padding:0;margin:0}
.specs li,.paper-points li{padding:8px 0;border-bottom:1px dashed rgba(255,255,255,.08);color:#ebdfd0}
.gift,.paper-note{margin-top:18px;padding:16px;border:1px solid var(--line-gold);border-radius:16px;background:linear-gradient(180deg,rgba(255,255,255,.02),rgba(255,255,255,.01))}
.gift b{display:block;color:var(--gold-2);margin-bottom:8px;font-size:16px}
.gift span{display:block;color:#dfd3c4;margin:4px 0}
.product-content .actions{margin-top:auto;padding-top:18px}

.paper-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;max-width:1020px;margin:0 auto}
.paper-card{background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line-gold);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow-md);display:flex;flex-direction:column;height:100%}
.paper-image-wrap{background:linear-gradient(180deg,#f8f2e7,#ebe0cd);padding:28px;display:flex;align-items:center;justify-content:center;min-height:360px}
.paper-image-wrap img{width:100%;height:320px;object-fit:contain;filter:drop-shadow(0 10px 20px rgba(0,0,0,.15))}
.paper-body{padding:24px;display:flex;flex-direction:column;flex:1}
.paper-body h3{font-size:26px;line-height:1.28;color:#fff4de;margin:0 0 10px}
.paper-body p{color:var(--muted);margin:0 0 14px}
.paper-body .actions{margin-top:auto;padding-top:18px}

.compare-wrap{overflow:auto;border:1px solid var(--line-gold);border-radius:20px;box-shadow:var(--shadow-md)}
.compare{width:100%;border-collapse:collapse;min-width:940px;background:linear-gradient(180deg,var(--panel),#100f0d)}
.compare th,.compare td{padding:15px 16px;border-bottom:1px solid var(--line);text-align:left}
.compare th{background:#1d1811;color:var(--gold-2);font-size:15px}
.compare td:first-child,.compare th:first-child{position:sticky;left:0;background:#17130f;z-index:1}
.compare th:first-child{z-index:2}
.compare tbody tr:nth-child(even) td{background:rgba(255,255,255,.015)}
.compare tr:last-child td{border-bottom:none}

.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{padding:24px;background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow-md);min-height:220px}
.step b{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:16px;font-size:26px;color:#281706;background:linear-gradient(180deg,var(--gold-2),var(--gold));margin-bottom:14px}
.step h3{font-size:28px;line-height:1.24;color:#fff2d9;margin:0 0 10px}
.step p{color:var(--muted);margin:0}

.faq{max-width:920px;margin:auto;display:grid;gap:14px}
.faq details{padding:18px 20px;background:linear-gradient(180deg,var(--panel-2),var(--panel));border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow-md)}
.faq summary{cursor:pointer;font-weight:800;font-size:19px;color:#fff1d3;list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq p{color:var(--muted);padding-top:12px;margin:0}

.contact{padding:74px 0;background:radial-gradient(circle at 10% 20%, rgba(235,197,109,.16), transparent 28%),linear-gradient(135deg,#342314,#15110d 60%,#0f0d0b)}
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:30px;align-items:center}
.contact-grid > div:first-child{max-width:700px}
.contact h2{font-size:46px;line-height:1.12;color:var(--gold-3);margin:8px 0 12px}
.contact p{font-size:18px;color:#e0d4c3}
.contact-box{display:grid;gap:12px;padding:22px;border-radius:20px;border:1px solid rgba(255,255,255,.1);background:rgba(0,0,0,.18);box-shadow:var(--shadow-md)}
.contact-box a,.contact-box span{padding:15px 16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;font-weight:700}
.contact-box a:hover{border-color:var(--line-gold);background:rgba(235,197,109,.06)}

.detail-hero{padding:72px 0}
.detail-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:42px;align-items:start}
.detail-image{border-radius:26px;overflow:hidden;border:1px solid var(--line-gold);background:radial-gradient(circle at 50% 10%, rgba(255,255,255,.12), transparent 30%),linear-gradient(180deg,#595650,#2f2b28 75%,#191613);box-shadow:var(--shadow-lg)}
.detail-image img{width:100%;padding:18px 18px 0;object-fit:contain;max-height:780px}
.detail-copy h1{font-size:56px;color:var(--gold-3);margin:6px 0 10px}
.detail-copy .price{font-size:38px}
.detail-copy p{font-size:18px;color:var(--muted)}
.detail-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:24px}
.detail-item{padding:16px;border:1px solid var(--line);border-radius:16px;background:linear-gradient(180deg,var(--panel-2),var(--panel))}
.detail-item span{display:block;color:var(--muted-2);font-size:13px;text-transform:uppercase;letter-spacing:1px !important}
.detail-item b{display:block;margin-top:5px;font-size:18px;color:#fff1d2}

footer{padding:30px 0 90px;border-top:1px solid var(--line);color:#c0b6aa;background:#0a0908}
.footer-grid{display:flex;justify-content:space-between;align-items:center;gap:20px}
.footer-brand{display:flex;align-items:center;gap:12px}
.footer-brand img{width:48px;height:48px;border-radius:12px;object-fit:cover;border:1px solid var(--line-gold)}

.floating{position:fixed;right:18px;bottom:20px;z-index:120;display:grid;gap:10px}
.float-btn{min-width:150px;padding:13px 15px;border-radius:999px;font-weight:800;box-shadow:0 12px 26px rgba(0,0,0,.32);text-align:center}
.float-call{background:linear-gradient(180deg,var(--gold-2),var(--gold));color:#21170a}
.float-zalo{background:#fff;color:#0b60c8}
.mobilebar{display:none}

@media(max-width:1180px){.product-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:980px){
  .menu{display:none}
  .hero-grid,.detail-grid,.contact-grid{grid-template-columns:1fr}
  .usps,.steps{grid-template-columns:repeat(2,1fr)}
  .product-grid,.paper-grid{grid-template-columns:repeat(2,1fr)}
  h1{font-size:54px}
  .section-heading h2,.contact h2{font-size:40px}
}
@media(max-width:760px){
  .container{width:min(100% - 24px, 1200px)}
  .nav{height:70px}
  .brand span{display:none}
  .header-phone{font-size:13px;padding:10px 12px}
  .hero{padding:54px 0 44px}
  h1,.detail-copy h1{font-size:40px;line-height:1.08}
  .lead,.section-heading p,.contact p,.detail-copy p{font-size:16px}
  .section-heading h2,.contact h2{font-size:32px;line-height:1.18}
  .section{padding:62px 0}
  .product-grid,.paper-grid,.steps,.usps,.detail-list{grid-template-columns:1fr}
  .product-card img{padding-top:14px}
  .paper-image-wrap{min-height:280px}
  .paper-image-wrap img{height:240px}
  .product-top h3{font-size:24px}
  .price{font-size:28px}
  .step h3{font-size:24px}
  .footer-grid{display:grid}
  .floating{display:none}
  .mobilebar{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:150;background:#0b0b0a;padding:9px;gap:8px;border-top:1px solid var(--line)}
  .mobilebar a{flex:1;text-align:center;padding:12px;border-radius:10px;font-weight:800}
  .mobilebar .call{background:linear-gradient(180deg,var(--gold-2),var(--gold));color:#21170a}
  .mobilebar .zalo{background:#fff;color:#0b60c8}
}


/* FINAL VIETNAMESE FONT HARD FIX */
html,body,body *{font-family:Arial,Tahoma,"Segoe UI",sans-serif!important;font-style:normal!important;font-kerning:none!important;font-feature-settings:normal!important;font-variant-ligatures:none!important;letter-spacing:normal!important;word-spacing:normal!important;text-rendering:auto!important}
h1,h2,h3,.product-top h3,.paper-body h3,.step h3,.detail-copy h1{font-family:Arial,Tahoma,"Segoe UI",sans-serif!important;font-weight:700!important}
.kicker{letter-spacing:3px!important}


/* Shop region switcher */
.shop-switcher-wrap{
  background:#070706;
  border-bottom:1px solid rgba(235,197,109,.18);
}
.shop-switcher{
  min-height:42px;
  display:flex;
  align-items:center;
  justify-content:flex-end;
  gap:9px;
  padding-top:6px;
  padding-bottom:6px;
}
.shop-switcher-label{
  color:#a99f91;
  font-size:12px;
  font-weight:700;
  margin-right:2px;
}
.shop-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 12px;
  border-radius:999px;
  border:1px solid rgba(235,197,109,.22);
  background:rgba(255,255,255,.025);
  color:#e7ddcf;
  font-size:12px;
  font-weight:700;
  transition:.2s ease;
}
.shop-link:hover{
  transform:translateY(-1px);
  border-color:rgba(235,197,109,.55);
  color:#fff0c9;
}
.shop-link.active{
  color:#281a08;
  background:linear-gradient(180deg,#f2d184,#c9922a);
  border-color:#e9bf61;
}

.shop-regions{
  padding-top:64px;
  padding-bottom:74px;
  background:linear-gradient(180deg,#0a0908,#0e0c09);
  border-top:1px solid rgba(255,255,255,.04);
  border-bottom:1px solid rgba(255,255,255,.04);
}
.shop-region-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:22px;
  max-width:1000px;
  margin:0 auto;
}
.shop-region-card{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:18px;
  align-items:flex-start;
  min-height:220px;
  padding:26px;
  border-radius:22px;
  border:1px solid rgba(235,197,109,.24);
  background:linear-gradient(145deg,#19150f,#0f0e0c);
  box-shadow:0 18px 44px rgba(0,0,0,.25);
  transition:.22s ease;
}
.shop-region-card:hover{
  transform:translateY(-4px);
  border-color:rgba(235,197,109,.52);
  box-shadow:0 26px 58px rgba(0,0,0,.32);
}
.shop-region-flag{
  width:62px;
  height:62px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:18px;
  font-size:32px;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.08);
}
.shop-region-kicker{
  display:block;
  color:#ebc56d;
  font-size:11px;
  font-weight:800;
  letter-spacing:2px !important;
  margin-bottom:5px;
}
.shop-region-card h3{
  font-size:28px;
  line-height:1.2;
  margin:0 0 9px;
  color:#fff0c9;
}
.shop-region-card p{
  color:#cfc3b2;
  margin-bottom:16px;
}
.shop-region-cta{
  color:#ebc56d;
  font-weight:800;
  font-size:14px;
}
.shop-region-us{
  background:
    radial-gradient(circle at 90% 5%,rgba(48,90,180,.14),transparent 30%),
    linear-gradient(145deg,#19150f,#0f0e0c);
}
@media(max-width:760px){
  .shop-switcher{
    justify-content:center;
    flex-wrap:wrap;
    gap:7px;
    padding-top:8px;
    padding-bottom:8px;
  }
  .shop-switcher-label{width:100%;text-align:center;margin:0 0 1px}
  .shop-link{font-size:11px;padding:7px 9px}
  .shop-region-grid{grid-template-columns:1fr}
  .shop-region-card{grid-template-columns:1fr;min-height:0;padding:22px}
  .shop-region-flag{width:54px;height:54px;font-size:28px}
  .shop-region-card h3{font-size:24px}
}


/* Initial country/shop chooser */
body.shop-gate-open{overflow:hidden}
.shop-gate{
  position:fixed;inset:0;z-index:9999;
  display:flex;align-items:center;justify-content:center;
  padding:28px;
  background:
    radial-gradient(circle at 18% 15%,rgba(235,197,109,.17),transparent 28%),
    radial-gradient(circle at 82% 78%,rgba(201,146,42,.13),transparent 30%),
    linear-gradient(145deg,#0d0b08,#050505 68%);
  transition:opacity .25s ease,visibility .25s ease;
}
.shop-gate.is-leaving{opacity:0}
.shop-gate.is-hidden{display:none}
.shop-gate-inner{width:min(980px,100%);text-align:center}
.shop-gate-logo{
  width:92px;height:92px;object-fit:cover;margin:0 auto 16px;border-radius:22px;
  border:1px solid rgba(235,197,109,.45);box-shadow:0 18px 45px rgba(0,0,0,.38)
}
.shop-gate-kicker{font-size:12px;font-weight:800;letter-spacing:5px;color:#ebc56d;margin-bottom:10px}
.shop-gate h1{font-family:Arial,Tahoma,"Segoe UI",sans-serif!important;font-size:44px!important;line-height:1.12!important;letter-spacing:0!important;color:#fff0c9;margin:0 0 10px!important}
.shop-gate > .shop-gate-inner > p{font-size:18px;color:#cec2b1;margin:0 0 30px}
.shop-gate-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
.shop-gate-card{
  appearance:none;-webkit-appearance:none;width:100%;min-height:300px;padding:30px 26px;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  border-radius:26px;border:1px solid rgba(235,197,109,.3);
  background:linear-gradient(180deg,rgba(31,26,19,.97),rgba(17,15,12,.98));
  color:#f7f0e4;box-shadow:0 22px 55px rgba(0,0,0,.3);cursor:pointer;
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease,background .22s ease;
  text-decoration:none!important;
}
.shop-gate-card:hover{transform:translateY(-6px);border-color:rgba(235,197,109,.78);box-shadow:0 30px 68px rgba(0,0,0,.42)}
.shop-gate-vn:hover{background:linear-gradient(180deg,rgba(40,31,17,.98),rgba(18,15,11,.98))}
.shop-gate-us:hover{background:linear-gradient(180deg,rgba(23,29,40,.98),rgba(14,16,22,.98))}
.shop-gate-flag{font-size:64px;line-height:1;margin-bottom:8px}
.shop-gate-country{font-size:12px;font-weight:800;letter-spacing:2.2px;color:#ebc56d}
.shop-gate-card strong{font-family:Arial,Tahoma,"Segoe UI",sans-serif!important;font-size:27px!important;line-height:1.25!important;letter-spacing:0!important;color:#fff5df}
.shop-gate-card small{display:block;max-width:340px;min-height:52px;font-size:15px;line-height:1.55;color:#cfc5b6;margin-top:4px}
.shop-gate-cta{margin-top:12px;padding:10px 16px;border-radius:999px;background:linear-gradient(180deg,#ebc56d,#c9922a);color:#241707;font-weight:800}
@media(max-width:720px){
  .shop-gate{padding:18px;align-items:flex-start;overflow:auto}
  .shop-gate-inner{padding:26px 0}
  .shop-gate-logo{width:74px;height:74px;border-radius:18px}
  .shop-gate h1{font-size:32px!important}
  .shop-gate > .shop-gate-inner > p{font-size:16px;margin-bottom:22px}
  .shop-gate-grid{grid-template-columns:1fr;gap:14px}
  .shop-gate-card{min-height:220px;padding:24px 18px;border-radius:20px}
  .shop-gate-flag{font-size:50px}
  .shop-gate-card strong{font-size:22px!important}
  .shop-gate-card small{min-height:0}
}